Home / 85,432.14-117,895.88-47,194.32

Finding the Fourth Proportional to 85,432.14, 117,895.88 and 47,194.32

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Solution

The fourth proportional to 85,432.14, 117,895.88 and 47,194.32 is: 65,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,432.14 : 117,895.88 = 47,194.32 : x
  2. Step 2: Convert to fraction form
    85,432.14/117,895.88 = 47,194.32/x
  3. Step 3: Cross multiply
    85,432.14x = 117,895.88 × 47,194.32
  4. Step 4: Simplify right side
    85,432.14x = 5,564,015,887.40
  5. Step 5: Solve for x
    x = 5,564,015,887.40/85,432.14
  6. Step 6: Final answer
    x = 65,127.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.